Square Rash Concern
At 28 years old, I've noticed an unusual square-shaped rash on my abdomen. While it is quite itchy, it does not cause any burning sensations. Interestingly, it resembles a bruise in texture and seems to throb slightly. I have been taking Wellbutrin and Prazosin for a considerable amount of time, and this rash is a recent development. I can't identify any specific irritants that could have caused this rash, particularly in that distinct shape. I'm concerned it might be from an insect bite, as I attended a camping festival last weekend, and this is when the rash seems to have begun appearing.
Answers (1)

6/19/2025, 7:30:47 PM
OpenHealth AI
The appearance of a square-shaped, itchy rash on your abdomen, particularly following a recent camping trip, may suggest several possibilities, including an allergic reaction, contact dermatitis, or even a specific type of infection. Given that your symptoms include throbbing and itchiness without burning, this could also be something like a bite reaction or an inflammatory skin condition.
Explanation:
- Rash Characteristics: The square shape is unusual and may not directly correspond with common rashes. Rashes can sometimes take on distinct shapes based on the influence of external factors or underlying conditions.
- Possible Causes:
- Allergic Reaction: This might have been triggered by contact with something in your environment, such as plants (like poison ivy) or insect bites.
- Insect Bite Reaction: If you were camping, you might have been bitten by an insect, which can cause localized swelling and irritation.
- Dermatological Conditions: Certain skin conditions or infections could also lead to the symptoms you describe.
Next Steps:
- Observe the Rash: Monitor the rash for changes—including size, color, or any progression of symptoms. This can help in determining if it is improving or worsening.
- Avoid Scratching: Try to resist scratching the area, as this can cause further irritation or lead to secondary infections.
- Cool Compress: Apply a cool, damp cloth to the rash to help relieve itching.
- Over-the-Counter Relief: Consider using an over-the-counter antihistamine (like Benadryl) or a hydrocortisone cream to reduce itching and inflammation.
- Document Symptoms: Keep a record of any new symptoms, changes in the rash, or potential triggers (like food, activities, or exposures you had around the time the rash appeared).
If the rash does not improve within a week, worsens, or if you develop additional symptoms like fever or spreading redness, it would be advisable to seek a professional evaluation for appropriate diagnosis and treatment. Your concerns about possible underlying causes, especially given your medication history, should also be addressed with a healthcare professional if needed.
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